Tent sign (breast)

The tent sign is a term referring to a characteristic appearance of the posterior edge of the breast parenchyma when a mass (usually an infiltrating lesion) causes its retraction and forms an inverted "V" that resembles the tip of a circus tent.

The detection of a "tent sign" is facilitated by the systematic reading of mammograms with the technique of masking.

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Article information

rID: 15279
System: Breast
Section: Signs
Synonyms or Alternate Spellings:
  • Tent sign in mammography
  • Sign of the tent
  • Tent-sign

Cases and figures

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    Figure 1: "a" is tent sign
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    Case 1: arrow indicating tent sign
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